/*
 * Entry.cpp
 *
 * Copyright (c) 2015, Steve Rabin
 * All rights reserved.
 *
 * An explanation of the JPS+ algorithm and this code is contained in Chapter 14
 * of the book Game AI Pro 2, edited by Steve Rabin, CRC Press, 2015.
 * A copy of this code is on the website http://www.gameaipro.com.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * The name of the author may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY STEVE RABIN ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 

#include <vector>
#include "Entry.h"
#include "PrecomputeMap.h"
#include "JPSPlus.h"

const char *GetName()
{
	return "RabinJPSPlus";
}

void PreprocessMap(std::vector<bool> &bits, int w, int h, const char *filename)
{
	printf("Writing to file '%s'\n", filename);

	PrecomputeMap precomputeMap(w, h, bits);
	precomputeMap.CalculateMap();
	precomputeMap.SaveMap(filename);
}

void *PrepareForSearch(std::vector<bool> &bits, int w, int h, const char *filename)
{
	printf("Reading from file '%s'\n", filename);

	PrecomputeMap precomputeMap(w, h, bits);
	DistantJumpPoints** loadedMap = precomputeMap.LoadMap(filename);
	return (void*)new JPSPlus(loadedMap);
}

bool GetPath(void *data, xyLoc s, xyLoc g, std::vector<xyLoc> &path)
{
	JPSPlus* Search = (JPSPlus*)data;
	return Search->GetPath(data, (xyLocJPS&)s, (xyLocJPS&)g, (std::vector<xyLocJPS>&)path);
}
